Best relievers in Cubs history

Cubs Quick Hits: Pedro Strop's 'New' Pitch Makes Him Harder to Hit - Cubs Insider

The Top 10 Closers in Chicago Cubs Franchise History, News, Scores, Highlights, Stats, and Rumors

Devin Williams could set MLB record and other Brewers records to watch

The Bullpen Series - The New York Times

Jeremiah Estrada Already Looks Like Best Homegrown Cubs Reliever in Recent History - Cubs Insider

MLB All-Star Game: Cubs' Kris Bryant, Craig Kimbrel earn nods – NBC Sports Chicago

Chicago baseball report: Up next for Cubs, White Sox this week

Rockies down Cubs for first 4-0 start since 1995

Bellinger, Swanson, Happ power Cubs past MLB-leading Braves 6-4 for 6th straight series win National News - Bally Sports

New York Yankees trade for Chicago Cubs rookie reliever Scott Effross - ESPN

Chicago Cubs make history at Wrigley Field to clinch NLDS against Cardinals, Chicago Cubs

Relief Pitching and the 2016 World Series

Pitchers' Swings, and Their Throws, Keep Cubs Rolling Past Giants - The New York Times

The Chicago Cubs Are Baseball's Best-Smelling Team - WSJ

Building The Worst Bullpen In Chicago Cubs History - Bleed Cubbie Blue